#include <iostream>
#include <map>
#include <string>
#include <fstream>

using namespace std;

int main(int argc, char **argv)
{
	map<string, string> trans_map;
	string key,value;
	if(argc!=3)
		throw runtime_error ("arrguments error");
	ifstream map_file;
	if(!open_file(map_file,argv[1])
		throw runtime_error ("no transformation file");

	while(map_file>>key>>value)
		trans_map.insert(make_pair(value,key));
	ifstream input;
	if(!open_file(intput, argv[2]))
		throw runtime_error("no input file");

	string line;
	while(getline(input, line))
	{
		istringstream stream(line);
		string word;
		bool firstword=true;
		while(stream>>word)
		{
			map<string, string>::const_iterator map_it=trans_map.find(word);
			if(map_it!=trans_map.end())
				word=map_it->second;
			if(firstword)
				firstword=false;
			else
				cout<<" ";
			cout<<word;
		}
		cout<<endl;

	}
}